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(: Test: K-SeqExprInstanceOf-13                          :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: A test whose essence is: `not(1.1 instance of xs:integer)`. :)
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not(1.1 instance of xs:integer)